These shiny, ductile, malleable, good conductors are found on the periodic table. What are they?
What are metals.
100
What are the two types of mixtures?
What are heterogeneous and homogeneous mixtures.
100
The term we use to refer to how well a substance dissolves in another substance is called its?
What is solubility.
100
These types of elements are found on the left hand side of the periodic table of elements.
What are metals.
200
This particle found inside of the nucleus of an atom are neutral.
What is the neutron?
200
These poor conductors, that are not ductile or malleable, and are often not shiny are found on the periodic table. What are they?
What is nonmetals.
200
This type of mixture is easy to separate, because the substances found within it are different.
What is a heterogeneous mixture.
200
These substances dissolve in other substances.
What is a solute.
200
C6H12O6 is the chemical formula for glucose. How many atoms in total are found in glucose?
What is 24.
300
Nitrogen has an atomic number of 7 and an atomic mass of roughly 14. How many protons does it have?
What is 7.
300
These types of elements are found sitting along the staircase on both sides of the periodic table.
What are metalloids?
300
These mixtures are much more difficult to separate, because the substances found within it are very similar. What type of mixture is it?
What is a homogeneous mixture.
300
Water dissolves most substances. This makes it a universal what?
What is solvent.
300
How many carbon atoms are found in carbon dioxide (CO2)?
What is 1.
400
Where are the negatively charged particles found in an atom?
What is in their shells outside the nucleus of an atom.
400
Another name for the rows on the periodic table.
What are periods.
400
Orange juice and milk are examples of what type of mixture?
What is a homogeneous mixture.
400
At the beach you find sand, and salt. Which of these substances has a higher solubility in water?
What is salt.
400
In order to increase the rate at which solute dissolves in a solvent you can do what to the solvent?
What is increase the temperature.
500
Krypton, whose atomic number is 36, has an atomic mass of roughly 84. How many neutrons does it have?
What is 48.
500
These elements in the periodic table usually have similar properties, the same number of electrons found in their outer most shell and are found in the same columns.
What are groups or families.
500
What could you do to separate a mixture of salt and water?
Let the water evaporate or heat up the water to allow for the water to evaporate.
500
Seltzer is made up of carbon dioxide and water. In seltzer, which substance is the solute?
What is carbon dioxide.
500
If you were studying the effect of lack of sleep on your grades on a test. What would be the independent variable?